ATE352087T1 - Vorrichtung zum beschreiben einer magnetschicht - Google Patents

Vorrichtung zum beschreiben einer magnetschicht

Info

Publication number
ATE352087T1
ATE352087T1 AT04026344T AT04026344T ATE352087T1 AT E352087 T1 ATE352087 T1 AT E352087T1 AT 04026344 T AT04026344 T AT 04026344T AT 04026344 T AT04026344 T AT 04026344T AT E352087 T1 ATE352087 T1 AT E352087T1
Authority
AT
Austria
Prior art keywords
coil
writing
magnetic layer
switch
intensity
Prior art date
Application number
AT04026344T
Other languages
English (en)
Inventor
Johann Praeauer
Original Assignee
Skidata Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Skidata Ag filed Critical Skidata Ag
Application granted granted Critical
Publication of ATE352087T1 publication Critical patent/ATE352087T1/de

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/09—Digital recording
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/008—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
    • G11B5/00804—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic sheets
    • G11B5/00808—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic sheets magnetic cards

Landscapes

  • Digital Magnetic Recording (AREA)
  • Magnetic Heads (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Magnetic Record Carriers (AREA)
  • Semiconductor Memories (AREA)
AT04026344T 2004-11-05 2004-11-05 Vorrichtung zum beschreiben einer magnetschicht ATE352087T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04026344A EP1667116B1 (de) 2004-11-05 2004-11-05 Vorrichtung zum Beschreiben einer Magnetschicht

Publications (1)

Publication Number Publication Date
ATE352087T1 true ATE352087T1 (de) 2007-02-15

Family

ID=34927264

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04026344T ATE352087T1 (de) 2004-11-05 2004-11-05 Vorrichtung zum beschreiben einer magnetschicht

Country Status (5)

Country Link
US (1) US7755862B2 (de)
EP (1) EP1667116B1 (de)
AT (1) ATE352087T1 (de)
DE (1) DE502004002710D1 (de)
ES (1) ES2280880T3 (de)

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2889411B2 (ja) * 1991-10-31 1999-05-10 キヤノン株式会社 磁気ヘッド駆動装置
JP2977710B2 (ja) * 1993-10-26 1999-11-15 ティーディーケイ株式会社 光磁気記録用変調磁界発生装置および光磁気記録装置
WO1997019445A1 (en) * 1995-11-21 1997-05-29 Philips Electronics N.V. Arrangement comprising a magnetic write head, and write amplifier with capacitive feed-forward compensation
US5822141A (en) * 1996-03-27 1998-10-13 International Business Machines Corporation High speed FET write driver for an inductive head
US6005733A (en) * 1997-06-12 1999-12-21 Vtc, Inc. Preamplifier bias circuit for use in an AC coupled magnetoresistive read head amplifier
US6189791B1 (en) * 1997-09-19 2001-02-20 Sankyo Seiki Mfg Co., Ltd. Magnetic card reader and method for determining the coercive force of a magnetic card therein
US6121800A (en) * 1998-07-07 2000-09-19 Lucent Technologies, Inc. Impedance matched, voltage-mode H-bridge write drivers
JP2000048306A (ja) * 1998-08-03 2000-02-18 Neuron:Kk 磁気カード記録再生装置
US6297921B1 (en) * 1998-10-08 2001-10-02 John J. Price, Jr. Write driver circuit having programmable overshoot and undershoot
US6466386B1 (en) * 1999-02-22 2002-10-15 Seagate Technology Llc Magnetic recording using discrete pulsed write currents in a disc drive
US6271978B1 (en) * 1999-05-07 2001-08-07 Texas Instruments Incorporated Power efficient overshoot control for magnetic recording write driver
US6496330B1 (en) * 1999-09-09 2002-12-17 Read-Rite Corporation Magnetic write head having a splitcoil structure
US6671113B2 (en) * 2001-03-06 2003-12-30 International Business Machines Corporation Characteristically terminated write driver with compensation for magnetic response and method therefor
US6713830B2 (en) * 2001-03-19 2004-03-30 Canon Kabushiki Kaisha Magnetoresistive element, memory element using the magnetoresistive element, and recording/reproduction method for the memory element
JP3971588B2 (ja) * 2001-06-29 2007-09-05 日本電産サンキョー株式会社 ヘッド保護装置、及びそのヘッド保護装置を備えたカードリーダ
JP3749460B2 (ja) * 2001-09-07 2006-03-01 富士通株式会社 磁気記録媒体及びこれを用いた磁気記憶装置
US20030151839A1 (en) * 2001-12-18 2003-08-14 Matsushita Electric Industrial Co., Ltd. Magnetic disk drive
US7126776B1 (en) * 2002-04-17 2006-10-24 Western Digital Technologies, Inc. Disk drive having a sector clock that is synchronized to the angular speed of the spindle motor
US6882488B1 (en) * 2003-12-03 2005-04-19 Hitachi Global Storage Technologies Netherlands B.V. Method for magnetic recording on patterned multilevel perpendicular media using variable write current

Also Published As

Publication number Publication date
EP1667116A1 (de) 2006-06-07
ES2280880T3 (es) 2007-09-16
DE502004002710D1 (de) 2007-03-08
US7755862B2 (en) 2010-07-13
US20060098321A1 (en) 2006-05-11
EP1667116B1 (de) 2007-01-17

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